Anyone ever have cryptsetup just start hanging after entering password on boot? This seems like it’s going to be a fun issue to try to resolve…

  • lemmyreader
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    7 months ago

    Boot with previous kernel ? If fail, boot from Linux live, connect, mount, make backups, and try to fix.

    • Dr. Wesker@lemmy.sdf.orgOP
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      7 months ago

      Oddly, after a few tries I managed to get past. I religiously back things up, and just last night pushed all my current dots.

      I’m gonna run some drive diagnostics. If everything looks good, I’ll just repartition and take this as a sign to only use encryption on secondary drives where I backup sensitive info.

      • haui@lemmy.giftedmc.com
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        7 months ago

        I really need to get into pushing dot files. Every time I think „its not going to be that much“. Then I install a new system and like 20 apps, then I fiddle here and there. After a couple weeks I def rack up one or more hours of config.

        • Dr. Wesker@lemmy.sdf.orgOP
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          7 months ago

          My protip is to use symlinks, and then just keep all your dots in a project folder. Makes it super easy to keep iterating on them in realtime, and pushing changes.

          • haui@lemmy.giftedmc.com
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            7 months ago

            Thats neat! Thanks for the suggestion. I‘ll try that. Currently am experimenting on libraries with my coding stuff.

    • krolden
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      7 months ago

      How could you boot a different kernel if you can’t unlock the drive?

  • krolden
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    7 months ago

    How long do you wait before you declare it hung?

    Sometimes decryption takes up to a minute depending on your system specs and optimizations.

    I suggest booting from a live disc and trying to unlock it from there.

      • The Doctor@beehaw.org
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        7 months ago

        That’s more than a reasonable period of time to wait.

        Can you run a SMART check on the drive from a liveCD? memtest86?

      • krolden
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        7 months ago

        Paste the output of cryptsetup benchmark

        • Dr. Wesker@lemmy.sdf.orgOP
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          7 months ago
          # Tests are approximate using memory only (no storage IO).
          PBKDF2-sha1      2957901 iterations per second for 256-bit key
          PBKDF2-sha256    4946113 iterations per second for 256-bit key
          PBKDF2-sha512    1945410 iterations per second for 256-bit key
          PBKDF2-ripemd160 1123875 iterations per second for 256-bit key
          PBKDF2-whirlpool  773286 iterations per second for 256-bit key
          argon2i       8 iterations, 1048576 memory, 4 parallel threads (CPUs) for 256-bit key (requested 2000 ms time)
          argon2id      8 iterations, 1048576 memory, 4 parallel threads (CPUs) for 256-bit key (requested 2000 ms time)
          #     Algorithm |       Key |      Encryption |      Decryption
                  aes-cbc        128b      1794.0 MiB/s      6427.8 MiB/s
              serpent-cbc        128b       107.4 MiB/s       765.7 MiB/s
              twofish-cbc        128b       275.7 MiB/s       498.2 MiB/s
                  aes-cbc        256b      1392.5 MiB/s      5266.3 MiB/s
              serpent-cbc        256b       114.8 MiB/s       798.4 MiB/s
              twofish-cbc        256b       284.6 MiB/s       498.7 MiB/s
                  aes-xts        256b      5290.1 MiB/s      5322.6 MiB/s
              serpent-xts        256b       697.6 MiB/s       635.9 MiB/s
              twofish-xts        256b       403.4 MiB/s       413.4 MiB/s
                  aes-xts        512b      4070.4 MiB/s      4048.9 MiB/s
              serpent-xts        512b       664.6 MiB/s       642.0 MiB/s
              twofish-xts        512b       417.6 MiB/s       421.7 MiB/s
          
          • krolden
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            7 months ago

            how about systemd-analyze and cryptsetup luksDump <lukspart> | grep Slot

            • Dr. Wesker@lemmy.sdf.orgOP
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              7 months ago

              I’m not using systemd. Grepping on Slot doesn’t return any results.

              LUKS header information
              Version:       	2
              Epoch:         	3
              Metadata area: 	16384 [bytes]
              Keyslots area: 	16744448 [bytes]
              UUID:          	<redacted>
              Label:         	(no label)
              Subsystem:     	(no subsystem)
              Flags:       	(no flags)
              
              Data segments:
                0: crypt
              	offset: 16777216 [bytes]
              	length: (whole device)
              	cipher: aes-xts-plain64
              	sector: 512 [bytes]
              
              Keyslots:
                0: luks2
              	Key:        512 bits
              	Priority:   normal
              	Cipher:     aes-xts-plain64
              	Cipher key: 512 bits
              	PBKDF:      argon2id
              	Time cost:  8
              	Memory:     1048576
              	Threads:    4
              	Salt:       <redacted>
              	AF stripes: 4000
              	AF hash:    sha512
              	Area offset:32768 [bytes]
              	Area length:258048 [bytes]
              	Digest ID:  0